TM 5-1940-322-24
0149 00
FORWARD AND AFT SCUPPER DRAINS MAINTENANCE (Contd)
FORWARD SCUPPER DRAIN REMOVAL
1.
Using scupper drain tool, remove scupper drain fitting (9) from forward scupper drain (10).
2.
Remove scupper drain ball (7) and retainer (6) from forward scupper drain (10).
AFT SCUPPER DRAIN REMOVAL
1.
Remove aft cockpit (WP 0016 00).
2.
Remove hose clamp (2) and hose (1) from hose adapter (3).
3.
Remove hose adapter (3) and elbow (4) from scupper drain fitting (5).
4.
Remove scupper drain fitting (5) from aft scupper drain (8).
5.
Remove scupper drain ball (7) and retainer (6) from aft scupper drain (8).
CLEANING AND INSPECTION
1.
For general cleaning and inspection instructions, refer to WP 0013 00.
2.
Clean scupper drain balls (7) and retainers (6) with dry cloth.
3.
Inspect scupper drain balls (7) and retainers (6) for damage. Replace scupper drain balls (7) or
retainers (6) if damaged.
AFT SCUPPER DRAIN INSTALLATION
1.
Install scupper drain ball (7) and retainer (6) in aft scupper drain (8).
2.
Apply thin coat of silicone adhesive on threads of scupper drain fitting (5).
3.
Install scupper drain fitting (5) in aft scupper drain (8).
4.
Install hose adapter (3) and elbow (4) in scupper drain fitting (5).
5.
Install hose (1) on hose adapter (3) with hose clamp (2).
6.
Install aft cockpit (WP 0016 00).
FORWARD SCUPPER DRAIN INSTALLATION
1.
Install scupper drain ball (7) and retainer (6) in forward scupper drain (10).
2.
Apply thin coat of silicone adhesive on threads of scupper drain fitting (9).
3.
Using scupper drain tool, install scupper drain fitting (9) in forward scupper drain (10).
0149 00-2
